Hi Marko,
As I mentioned in the other thread, I think there is a distinct possibility
that we will move Fedora's JAX-RS implementation to CXF down the road. This
might be another good reason. I have used CXF for JAX-RS via Spring in
another project, and I did that in a way that I think could also work for
Fedora down the road. I am curious now whether the approach I used there
would work in JBoss 5+.
Since you probably have a JBoss instance up and running, would you mind
giving it quick try? The download link and instructions can be found here:
https://wiki.duraspace.org/display/FEDORACREATE/Fedora+CloudSync+Installation
If this works in JBoss 5+, that would be good information to have, and could
help us make the decision to move to CXF for our JAX-RS impl down the road.
To be clear, I think using approaches and libs that work with the widest
range of popular containers we can is a good thing. I am just wary of doing
too much that caters to any one specific container. This seems like an area
where we may be able to just use a different library and wiring mechanism
(which we were already thinking about), and achieve slightly better
compatibilty with a wider range of containers.
Thanks,
Chris
On Wed, Aug 17, 2011 at 7:38 AM, Voß, Marko <marko.v...@fiz-karlsruhe.de>wrote:
> Hello,****
>
> ** **
>
> Next to the missing Xalan Implementation in Fedora deployed in JBoss
> (depending on JBoss version and/or classloading isolation of the web
> application), there is another problem with Fedora 3.4.2 deployed in Jboss
> 5+.****
>
> ** **
>
> You will get an exception about the ResourceConfig not having any root
> resource classes, because the package scanner of Jersey is scanning for
> classes having the @Path annotation inside of the packages defined by the
> param-values of the param-name configurations
> "com.sun.jersey.config.property.packages" in the fedora.war/WEB-INF/web.xml
> and since JBoss 5+ the classloader do support a VFS (virtual file system)
> only. So the URLs returned by the classloaders consists of the scheme vfs:/
> in JBoss 6 and because of that, the Jersey AnnotationClassScanner or the
> Scanner implementations of the later Jersey versions are unable to find the
> URLs, because they are checking for URLs with the schemes "file:/", "jar:/"
> and so on but not for "vfs:/". In Jersey 1.3 this has been fixed for
> schemes "vfsfile" and "vfszip" (iirc), which are schemes of JBoss 5, which
> got changed to "vfs" in JBoss 6.****
>
> ** **
>
> To summarize this: It is impossible to get the Fedora RestService running
> in JBoss 5 and later versions for Fedora 3.4.2.****
>
> ** **
>
> Possible solution: A possibility to get around the VFS URLs could be, to
> write a class, which extends from javax.ws.rs.Application and defines the
> REST interface for Fedora. Instead of defining packages to scan, you define
> the param-name "javax.ws.rs.Application" with the implementing class as the
> param-value in the fedora.war/WEB-INF/web.xml.****
>
> ** **
>
> ** **
>
> Kind regards,****
>
> ** **
>
> *Marko Voß*
>
> ePublishing & eScience
> Development & Applied Research
> Phone +49 7247 808-744
>
> Fax +49 7247 808-133
> marko.v...@fiz-karlsruhe.de
>
>
> FIZ Karlsruhe – Leibniz Institute for Information Infrastructure
> Hermann-von-Helmholtz-Platz 1
> 76344 Eggenstein-Leopoldshafen, Germany
>
> www.fiz-karlsruhe.de****
>
> ****
>
> ** **
>
>
> -------------------------------------------------------
>
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